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Steroids and sterols

7alpha-Methyltestosterone

Also known as 7-alpha-Methyltestosterone, 17beta-Hydroxy-7alpha-methylandrost-4-en-3-one, Isomer 201

CAS 7642-58-2Formula C20H30O2Molar mass 302.46 g/mol
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7alpha-Methyltestosterone chemical structure, C20H30O2, CAS 7642-58-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
7642-58-2
Formula
C20H30O2
Molar mass
302.46 g/mol
HS code
293729
Category
Steroids and sterols

What is 7alpha-Methyltestosterone?

Plain description, key identifiers and synonyms

17beta-Hydroxy-7alpha-methylandrost-4-en-3-one is a 3-hydroxy steroid. It has a role as an androgen.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(7R,8R,9S,10R,13S,14S,17S)-17-hydroxy-7,10,13-trimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
CAS number
7642-58-2 CAS number cross-checked
Molecular formula
C20H30O2
UNII
K76V9O14LF
InChIKey
HZWZHWTZLZZBFF-UQYBFTDGSA-N
InChI
InChI=1S/C20H30O2/c1-12-10-13-11-14(21)6-8-19(13,2)16-7-9-20(3)15(18(12)16)4-5-17(20)22/h11-12,15-18,22H,4-10H2,1-3H3/t12-,15+,16+,17+,18+,19+,20+/m1/s1
Canonical SMILES
CC1CC2=CC(=O)CCC2(C)C2CCC3(C)C(O)CCC3C12
Isomeric SMILES
C[C@@H]1CC2=CC(=O)CC[C@@]2([C@@H]3[C@@H]1[C@@H]4CC[C@@H]([C@]4(CC3)C)O)C

Synonyms

  • 7-alpha-Methyltestosterone
  • 17beta-Hydroxy-7alpha-methylandrost-4-en-3-one
  • Isomer 201
  • Testosterone, 7-alpha-methyl-
  • 7a-methyl-testosterone
  • 7Alpha-Methyl-Testosterone
  • Testosterone, 7alpha-methyl-
  • Androst-4-en-3-one, 17beta-hydroxy-7alpha-methyl-
  • Androst-4-en-3-one, 17-hydroxy-7-methyl-, (7-alpha,17-beta)-
  • Androst-4-en-3-one, 17-hydroxy-7-methyl-, (7alpha,17beta)-
  • (7R,8R,9S,10R,13S,14S,17S)-17-hydroxy-7,10,13-trimethyl-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-3-one
  • 17beta-hydroxy-7alpha-methyl-4-androsten -3-one
  • 17-beta-hydroxy-7-alpha-methyl-androst-4-en-3-one

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
302.46 g/molcalc.
Exact mass
302.2246 Dacalc.
LogP (octanol/water)
4.13calc.
Topological polar surface area
37.3 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
22calc.
Rings
4calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.85calc.
Formal charge
0calc.
Stereocentres
7calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, O=C1C=C2CCC3C4CCCC4CCC3C2CC1

O=C1C=C2CCC3C4CCCC4CCC3C2CC1

4 rings, 18 atoms.

1,419 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

7alpha-Methyltestosterone suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

No supplier listings yet

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7alpha-Methyltestosterone price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Roles

  • agonist
  • androgen
  • hormone
  • molecular messenger
  • sex hormone

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code 7alpha-Methyltestosterone is traded under.

HS 2937.29Indicative HS code

Steroidal hormones, their derivatives and structural analogues, other

World exports in 2024
$2.32B
+5.7% vs 2023, imports $2.41B
2019 to 2024
Top exporters
  1. Belgium25.3%
  2. United States24.9%
  3. China13.0%
Top importers
  1. Italy18.0%
  2. Canada13.0%
  3. Belgium12.2%
Reported customs values in USD, not prices.Full trade data

The HS code shown for 7alpha-Methyltestosterone is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 7alpha-Methyltestosterone, based on the data on this page

What is 7alpha-Methyltestosterone?

17beta-Hydroxy-7alpha-methylandrost-4-en-3-one is a 3-hydroxy steroid. It has a role as an androgen.

What is the CAS number of 7alpha-Methyltestosterone?

The CAS registry number of 7alpha-Methyltestosterone is 7642-58-2.

What is the molecular formula and weight of 7alpha-Methyltestosterone?

The molecular formula of 7alpha-Methyltestosterone is C20H30O2 and its molar mass is 302.46 g/mol.

What is 7alpha-Methyltestosterone used for?

Known uses and roles of 7alpha-Methyltestosterone include agonist, androgen, hormone, molecular messenger and sex hormone.

Is 7alpha-Methyltestosterone hazardous?

No GHS hazard classification for 7alpha-Methyltestosterone is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of 7alpha-Methyltestosterone?

7alpha-Methyltestosterone is usually classified under HS code 293729 (Steroidal hormones, their derivatives and structural analogues, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 7alpha-Methyltestosterone?

Post a free request on CompoundList and suppliers of 7alpha-Methyltestosterone will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 7alpha-Methyltestosterone?

Suppliers quote 7alpha-Methyltestosterone on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle 7alpha-Methyltestosterone

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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